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Table 5 Summary of comorbidities measured in Charlson Comorbidity Index

From: Association of active Helicobacter pylori infection and anemia in elderly males

  Number of cases (%)
H. pylori positive
(n = 228)
H. pylori negative
(n = 418)
Total (n = 646)
Myocardial infaction 5(2.2) 13(3.1) 18
Congestive heart failure 3(1.3) 6(1.4) 9
Peripheral vascular disease 90 (39.5) 137(32.8) 227
Cerebrovascular disease 40(17.5) 89(21.3) 129
Dementia 2(0.9) 1(0.2) 3
COPD 47(20.6) 57(13.6) 104
Connective tissue disease 1(0.4) 4(1.0) 5
Peptic ulcer disease 2(0.9) 2(0.5) 4
Diabetes mellitus 63(27.6) 117(28.0) 180
Moderate to severe chronic kidney disease 19(8.3) 45(10.8) 64
Hemiplegia 0 0 0
Leukemia 0 0 0
Malignant lymphoma 0 1(0.2) 1
Solid tumora 22(9.6) 75(18.0) 97
Liver diseaseb 44(19.3) 85(20.3) 129
AIDSc 0 0 0
Total 338 632 970
  1. aExcluding gastrointestinal malignant tumors
  2. bOnly 2 cases of hepatic cirrhosis were presented, with no hypersplenism
  3. cAcquired immunodeficiency syndrome